Modern Junior Mathematics, Book 3Gregg, 1920 - Mathematics |
Contents
85 | |
94 | |
102 | |
117 | |
124 | |
130 | |
138 | |
142 | |
149 | |
155 | |
165 | |
174 | |
178 | |
189 | |
201 | |
208 | |
209 | |
211 | |
212 | |
222 | |
223 | |
224 | |
226 | |
227 | |
228 | |
229 | |
230 | |
231 | |
232 | |
233 | |
234 | |
235 | |
239 | |
240 | |
241 | |
243 | |
Other editions - View all
Common terms and phrases
AABC acute angle algebraic angle of elevation antilog base Check circle coefficient completing the square congruent coördinates cosine decimal denominator diagonal dimensions distance Divide division Draw a line Draw a rectangle equal exponents factors find the height Find the length Find the numbers Find the perimeter Find the value formula fractions geometry give given graph hypotenuse isosceles triangle linear equations logarithms mantissa marked price measure method Minor Premise multiply negative number number decreased numerical value pair of axes pole positive number Practice Exercises problem Prove Pythagorean Theorem quadratic equation quotient radius ratio rectangle right triangle side adjacent side opposite simple equation sine Solution square root standard form Substituting subtraction tangent theorem trigonometry trinomial unknown unmeasured line variable x-axis x-distance x²y x³y zero
Popular passages
Page 220 - Two triangles are congruent if two angles and the included side of one are equal respectively to two angles and the included side of the other.
Page 217 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.
Page 229 - Two right triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other.
Page 233 - If two parallel lines are cut by a transversal, the alternate interior angles are equal.
Page 228 - A line drawn from the vertex of an isosceles triangle to the middle of the base, is perpendicular to, the base.
Page 216 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Page 223 - In an isosceles triangle the angles opposite the equal sides are equal.
Page 219 - Two right triangles are equal if the two legs of one are equal respectively to the two legs of the other. Given : Rt. A ABC and DEF ; AC = DF; CB = FE. A n . To Prove : A ABC = A DEF.
Page 224 - Prove that the bisector of the vertex angle of an isosceles triangle bisects the base and is perpendicular to it.
Page 224 - The bisector of the vertex angle of an isosceles triangle is perpendicular to the base.